SOLUTION: {{{8x^2-18}}}

Question 308412:
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
factor out a 2
inside "()" is a perfect square so factoring is easy
if u cant come to this solution use the quadratic formula, but this factoring of a square is much faster. the square looks like this: since b=0 in the abc for the quadratic formula then there will be one factor with a "+" and one with a "-"
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